From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx> Hook up r8a7795 DMAC nodes to the IPMMUs. In particular Audio-DMAC0 and Audio-DMAC1 get connected to IPMMU-MP1, while SYS-DMAC0 gets tied to IPMMU-DS0 and SYS-DMAC1 and SYS-DMAC2 get tied to IPMMU-DS1. Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- Changes from V2: - Updated description with more detail about SYS-DMAC and Audio-DMAC - Updated title/subject to include Audio-DMAC - Added Reviewed-by from Laurent - thanks! Changes from V1: - None arch/arm64/boot/dts/renesas/r8a7795.dtsi | 40 ++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) --- 0002/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ work/arch/arm64/boot/dts/renesas/r8a7795.dtsi 2017-03-20 15:45:51.330607110 +0900 @@ -548,6 +548,14 @@ "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 219>; clock-names = "fck"; + iommus = <&ipmmu_ds0 0>, <&ipmmu_ds0 1>, + <&ipmmu_ds0 2>, <&ipmmu_ds0 3>, + <&ipmmu_ds0 4>, <&ipmmu_ds0 5>, + <&ipmmu_ds0 6>, <&ipmmu_ds0 7>, + <&ipmmu_ds0 8>, <&ipmmu_ds0 9>, + <&ipmmu_ds0 10>, <&ipmmu_ds0 11>, + <&ipmmu_ds0 12>, <&ipmmu_ds0 13>, + <&ipmmu_ds0 14>, <&ipmmu_ds0 15>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; #dma-cells = <1>; dma-channels = <16>; @@ -581,6 +589,14 @@ "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 218>; clock-names = "fck"; + iommus = <&ipmmu_ds1 0>, <&ipmmu_ds1 1>, + <&ipmmu_ds1 2>, <&ipmmu_ds1 3>, + <&ipmmu_ds1 4>, <&ipmmu_ds1 5>, + <&ipmmu_ds1 6>, <&ipmmu_ds1 7>, + <&ipmmu_ds1 8>, <&ipmmu_ds1 9>, + <&ipmmu_ds1 10>, <&ipmmu_ds1 11>, + <&ipmmu_ds1 12>, <&ipmmu_ds1 13>, + <&ipmmu_ds1 14>, <&ipmmu_ds1 15>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; #dma-cells = <1>; dma-channels = <16>; @@ -614,6 +630,14 @@ "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 217>; clock-names = "fck"; + iommus = <&ipmmu_ds1 16>, <&ipmmu_ds1 17>, + <&ipmmu_ds1 18>, <&ipmmu_ds1 19>, + <&ipmmu_ds1 20>, <&ipmmu_ds1 21>, + <&ipmmu_ds1 22>, <&ipmmu_ds1 23>, + <&ipmmu_ds1 24>, <&ipmmu_ds1 25>, + <&ipmmu_ds1 26>, <&ipmmu_ds1 27>, + <&ipmmu_ds1 28>, <&ipmmu_ds1 29>, + <&ipmmu_ds1 30>, <&ipmmu_ds1 31>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; #dma-cells = <1>; dma-channels = <16>; @@ -647,6 +671,14 @@ "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 502>; clock-names = "fck"; + iommus = <&ipmmu_mp1 0>, <&ipmmu_mp1 1>, + <&ipmmu_mp1 2>, <&ipmmu_mp1 3>, + <&ipmmu_mp1 4>, <&ipmmu_mp1 5>, + <&ipmmu_mp1 6>, <&ipmmu_mp1 7>, + <&ipmmu_mp1 8>, <&ipmmu_mp1 9>, + <&ipmmu_mp1 10>, <&ipmmu_mp1 11>, + <&ipmmu_mp1 12>, <&ipmmu_mp1 13>, + <&ipmmu_mp1 14>, <&ipmmu_mp1 15>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; #dma-cells = <1>; dma-channels = <16>; @@ -680,6 +712,14 @@ "ch12", "ch13", "ch14", "ch15"; clocks = <&cpg CPG_MOD 501>; clock-names = "fck"; + iommus = <&ipmmu_mp1 16>, <&ipmmu_mp1 17>, + <&ipmmu_mp1 18>, <&ipmmu_mp1 19>, + <&ipmmu_mp1 20>, <&ipmmu_mp1 21>, + <&ipmmu_mp1 22>, <&ipmmu_mp1 23>, + <&ipmmu_mp1 24>, <&ipmmu_mp1 25>, + <&ipmmu_mp1 26>, <&ipmmu_mp1 27>, + <&ipmmu_mp1 28>, <&ipmmu_mp1 29>, + <&ipmmu_mp1 30>, <&ipmmu_mp1 31>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; #dma-cells = <1>; dma-channels = <16>;
